The Brazilian club’s intention is to pay $18.5 million for the 28-year-old, in installments, and give him a monthly salary of $485,000.
Galliani arrived in Rio de Janeiro on Monday to spend the Christmas holiday. It is thought he will use his time to negotiate Pato’s deal to Corinthians as well.
Besides Flamengo, Santos have also expressed an interest in signing the attacker. Robinho has already had two spells at the Sao Paulo club and it is believed Santos is his preferred destination.